Apparatus and method for emitter location

Details Apparatus and method for emitter location Apparatus and method for emitter location

1998-06-03

1999-11-02

Blum, Theodore M.

Communications: directive radio wave systems and devices (e.g.,

Directive

Position indicating

342463, 342450, 342126, G01S 302

Patent

active

059779128

ABSTRACT:
An emitter locator for locating an emitter transmitting an emitter signal includes a plurality of scatters and a base station. The plurality of scatterers are located at predetermined positions, where each scatterer includes a modulator configured to modulate an electrical signal on an antenna and configured to receive emitter signal and to modulate the emitter signal to generate a scattered signal. The base station is configured to receive a composite signal containing the emitter signal and a plurality of the scattered signals, where the base station includes a processor configured to separate the scattered signals from the composite signal and to identify relative power levels of the scattered signals to determine a location of the emitter. Advantages of the invention include the ability to locate emitters in an efficient and cost effective manner by using scatterers and a base station.

REFERENCES:
patent: 5661492 (1997-08-01), Shoap et al.

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